Yay more science :) my school is silly. Alright, let's get started! -What is a tidal bulge? A tidal bulge is an area of water that is higher than the others, caused by the gravitational forces of the Sun and Moon. -Why is there two bulges? Earth has two high-tide bulges at the same time; one on the side facing the moon, and the other directly opposite. On the side closer to the moon, the Moon's pull is stronger. This force pulls the water towards the moon. On the side farther from the moon, the pull is at it's weakest. Inertia exceeds the Moon's pull and it causes the water to "bulge" away from the land. -Does the tidal bulge move? Yes, it does move. Because Earth's spin is faster than the Moon, it brings the water bulge with it. As the Earth spins, the ocean floor grips the water. -How does the Moon orbit around the Earth? The Moon orbits in an oval around Earth. -Why are there two high tides a day, caused by the two tidal bulges? There are two high tides a day because as the Earth rotates, a coast point passes through the tidal bulges, causing high tides. That's all for today!!!
LOTS OF READING... It takes a while to make these!